The Donald Finkel Papers include his extensive research materials, journals, notes, and heavily revised manuscripts. A large collection of editorial matter toward all of his books and a small, yet revealing professional correspondence with editors and literary colleagues completes the Finkel Papers.

The Katherine Arnstein Heinemann Papers consist mainly of autograph and typescript drafts of her poems, as well as manuscript and editorial material relating to her collections Brandings (1988) and Some Inhuman Familiars (1983). A small group of correspondence is also present.

The Arthur C. Hoskins collection contains items directly related to Hoskins and his family, including correspondence and records of expenses, and also items related to Missouri Historical Society activities. Certain items, which are connected to material previously collected by Hoskins, but whose source is unknown, have been placed in the collection because of their convenient connection.

Consists of correspondence from Sylvia Plath and Ted Hughes to Olwyn Hughes, Ted's sister. Also, included is correspondence from Hughes to Graham Ackroyd and Ian Hamilton and typescript and manuscript drafts of Adam and the Sacred Nine.

The Charles Johnson Papers hold both published and unpublished work from the author spanning nearly six decades. The collection brings together manuscripts, drafts, correspondence, artwork, and ephemera and serves as a testament to Johnson’s wide-ranging career as a public intellectual.

Consists of correspondence, clippings, and photographs concerning the filiming of the "Battle of St. Vith" and William Gaddis. Gaddis served as writer and Low served as producer for the "Battle of St. Vith."